B. Höistad

The pp → ppπ0 reaction near the kinematical threshold

The pp → ppη reaction has been measured at six energies close to threshold, from 1258 MeV to 1352 MeV, using an internal cluster gas jet target in the CELSIUS storage ring. The η is detected through its decay photons, in an array of CsI detectors, and the forward-going protons are detected in a plastic scintillator spectrometer. A complete event reconstruction is obtained at the higher energies in the measured interval. The new data, together with earlier data, give an accurate determination of the energy dependence close to threshold. The influence of the η-proton FSI is seen in the total cross section data as well as in a Dalitz plot of the η-p invariant mass distributions.

The WASA Detector Facility at CELSIUS

The WASA 4 pi multidetector system, aimed at investigating light meson production in light ion collisions and eta meson rare decays at the CELSIUS storage ring in Uppsala is presented. A unique fea ...

Precision measurement of σ(e+e−→π+π−γ)/σ(e+e−→μ+μ−γ) and determination of the π+π− contribution to the muon anomaly with the KLOE detector

We have measured the ratio

Two-pion production in proton-proton collisions ― experimental total cross sections and their isospin decomposition

\sigma(e^+e^-\rightarrow\pi^+\pi^-\gamma)/\sigma(e^+e^-\rightarrow \mu^+\mu^-\gamma)

Detector setup for a storage ring with an internal target

, with the KLOE detector at DA

Higher partial waves in p p ---> p p eta near threshold

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Delta Delta excitation in proton-proton induced pi(0)pi(0) production

NE for a total integrated luminosity of

Test of CPT and Lorentz symmetry in entangled neutral kaons with the KLOE experiment

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Exclusive measurements of pd→He3ππ: The ABC effect revisited

240 pb

Positive pion production in nuclear reactions induced by 185 MeV protons

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